Documentation / devicetree / bindings / net / nxp,lpc1850-dwmac.yaml


Based on kernel version 6.17. Page generated on 2025-10-03 10:04 EST.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/nxp,lpc1850-dwmac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP LPC1850 GMAC ethernet controller

maintainers:
  - Frank Li <Frank.Li@nxp.com>

# We need a select here so we don't match all nodes with 'snps,dwmac'
select:
  properties:
    compatible:
      contains:
        enum:
          - nxp,lpc1850-dwmac
  required:
    - compatible

properties:
  compatible:
    items:
      - enum:
          - nxp,lpc1850-dwmac
      - const: snps,dwmac-3.611
      - const: snps,dwmac

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: stmmaceth

  interrupts:
    maxItems: 1

  interrupt-names:
    items:
      - const: macirq

  resets:
    maxItems: 1

  reset-names:
    items:
      - const: stmmaceth

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - interrupts
  - interrupt-names

allOf:
  - $ref: snps,dwmac.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/lpc18xx-ccu.h>
 
    ethernet@40010000 {
        compatible = "nxp,lpc1850-dwmac", "snps,dwmac-3.611", "snps,dwmac";
        reg = <0x40010000 0x2000>;
        interrupts = <5>;
        interrupt-names = "macirq";
        clocks = <&ccu1 CLK_CPU_ETHERNET>;
        clock-names = "stmmaceth";
        resets = <&rgu 22>;
        reset-names = "stmmaceth";
        rx-fifo-depth = <256>;
        tx-fifo-depth = <256>;
        snps,pbl = <4>;
        snps,force_thresh_dma_mode;
        phy-mode = "rgmii-id";
    };